A³ Mixer

  • A³ Mixer Repository

  • Standalone OSC controller

  • Input vu meter per channel

  • 8 Output vu meters

  • Tape-in section for multichannel or stereo to direct (discrete, decoder, stereomap) mixbus <- wip

A³ Mixer numbered

[0] Aux Send

[1] TRIM CONTROL

  • Adjust the level of audio signals input in each channel

  • [TRIM]: -inf dB to 0 dB

[2] EQ HIGH

  • [HIGH]: -inf dB to 0 dB (24 kHz)

[3] EQ MID

  • [MID]: -inf dB to 0 dB (1 kHz)

[4] EQ LOW

  • [LOW]: -inf dB to 0 dB (20 Hz)

[5] INPUT VU METER

  • Displays the sound level of the respective channels before passing through the channel faders

[6] CUE BUTTON

  • Presses the [CUE] button(s) for the channel(s) you want to monitor

[7] CHANNEL FADER

  • Adjust the level of audio signals output in each channel

  • [FADER]: -inf dB to o dB

[8] FILTER FX SWITCH

  • Pressing the [FX] switch turns on the VCF filter for this channel

  • The indicator lights if filter FX is on.

[9] 3D SWITCH

  • Pressing the [3D] switch enables 3d encoding for this channel

  • The indicator lights if 3D is on

[10] FILTER FREQUENCY

  • Sets the cut off frequency of the VCF filter

[11] FILTER RESONANCE CONTROL

  • Change the “Q” or sharpness of the VCF filter

[12] FILTER TYPE SELECT HI-PASS

  • [HPF]: Allows signals above the cutoff frequency to pass

[13] FILTER TYPE SELECT LOW-PASS

  • [LPF]: Allows signals below the cutoff frequency to pass

[14] HEADPHONE LEVEL

  • Sets the level of the headphone output

[15] CUE/MIX CONTROL

  • Turn left (CUE) to hear the activated channel Cue.

  • If no channel Cue is activated the Mix output will be heared WIP

  • Turn right (Mix) to hear the Mix output

  • In the centre position the Cue signal and the main mix are summed together

[16] BOOTH OUTPUT LEVEL

  • Sets the audio signal level for predefined monitor outputs

  • [BOOTH]: -inf dB to 0 dB

[17] MASTER OUTPUT LEVEL

  • Sets the audio signal level for predefined public address outputs

  • [MASTER]: -inf dB to 0 dB

[18] DISPLAY <- wip

  • shows bpm for master and per input channel

[19] OUTPUT VU METER

  • Displays the audio level output from 8 predefined channels

Front

PHONES OUTPUT TERMINAL

  • Connect headphones here

  • 6.3mm stereo phone plug

Back

PHONES INPUT TERMINAL

  • Connect predefined Cue outputs here

  • 2x female XLR Sockets

ETHERNET SOCKET

  • Connect ethernet cable to PoE switch here

A³ Mix Specification

  • PoE to USB 5V Adapter

  • PoE cost 24W max

  • Raspberry Pi 3 Model B

  • Teensy 4.1

  • A³ Mix PCB V0.2